Family, Evening Primrose. Color of petals, when present, red or reddish. Leaves, small, opposite, petioled, oval or roundish with curving veins. This is at times an aquatic plant; or it is found in swamps, its stems lying on the mud, creeping and rooting. Petals, none when in water, small and reddish when out. The lobes of the calyx remain, crowning the fruit, which is a 4-sided capsule full of small seeds. Flowers, closely sessile, somewhat fleshy, small, without beauty, green, and stiff. Stems, smooth, 4 to 15 inches long. July and August.
Common along wet shores or in swamps or moist ditches.